Lab report
Asbestos Asbestos refers to a group of natural fibrous silicate minerals of various structures (18).
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, chrysotile, dust, tremolite
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Searching the mirrored records for “asbestos”.
Asbestos Project Notification and Inspection Report, Dec 2002 — page 5
DEP Hard Copies (68 Boxes) / DEP Box 10 / ASBESTOS
NYC-WTC_000149436Machine-extracted titleSummary DEP asbestos project notification form and inspection report dated December 12, 2002.
of the concentration of asbestos structures starting from naturally occurring, inorganic, highly fibrous, silicate domi approximately 1000 asbestos structures per square
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: actinolite, asbestos, chrysotile, dust, particulate, tremolite
Chain of Custody Form Instructions for WTC Building Sampling — page 105
DEP Hard Copies (68 Boxes) / DEP Box 10 / ATSDR/DHAC_ASTM
NYC-WTC_000149641Machine-extracted titleSummary Instructions and sections for collecting sample location data from a specific building interior.
The number of locations containing asbestos in dust reflects locations with asbestos detected by either PLM or TEM (reported as <1 % or more).
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, dust
Lab report
Longer asbestos fibers can penetrate into the deeper portions of the lung.
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, chrysotile, dust
DEP advisory to residents regarding WTC dust, Oct 2001 — page 121
DEP Hard Copies (68 Boxes) / DEP Box 10 / ADVISORIES/FACT SHEETS
NYC-WTC_000149319Machine-extracted titleSummary Department of Environmental Protection advisory letter dated October 25, 2001, addressed to residents of Lower Manhattan.
Disposal: All asbestos must be disposed of at solid waste management facilities permitted to accept asbestos waste.
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, dust
OSHA Crane Inspection Report and Analysis Oct 2001 — page 16
DEP Hard Copies (68 Boxes) / DEP Box 10 / OSHA_COSH
NYC-WTC_000149951Machine-extracted titleSummary Joint OSHA and Bechtel crane inspection report analyzing safety conditions at the World Trade Center site.
NYC 9/11 Public Portal Document 3 asbestos (air) were taken: All were ND for asbestos Total fibers range fi-om 0.0230-0.0620 f/cc
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, debris, dust, silica
Lab report
Chrysotile asbestos was the only form of asbestos identified, either by PLM or TEM, in all settled surface dust samples.
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, chrysotile, dust
Asbestos Project Notification and Inspection Report, Dec 2002 — page 3
DEP Hard Copies (68 Boxes) / DEP Box 10 / ASBESTOS
NYC-WTC_000149434Machine-extracted titleSummary DEP asbestos project notification form and inspection report dated December 12, 2002.
PCM (Phase Contrast Microscopy) Clearance Criteria - 0.01 fibers/cc or less r Limitation PCM caiuiot distinguish asbestos from non-asbestos
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, dust
Asbestos Project Notification and Inspection Report, Dec 2002 — page 7
DEP Hard Copies (68 Boxes) / DEP Box 10 / ASBESTOS
NYC-WTC_000149438Machine-extracted titleSummary DEP asbestos project notification form and inspection report dated December 12, 2002.
building after asbestos has been removed.
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, dust
OSHA Crane Inspection Report and Analysis Oct 2001 — page 7
DEP Hard Copies (68 Boxes) / DEP Box 10 / OSHA_COSH
NYC-WTC_000149942Machine-extracted titleSummary Joint OSHA and Bechtel crane inspection report analyzing safety conditions at the World Trade Center site.
NYC 9/11 Public Portal Document 3 asbestos (air) were taken: All were ND for asbestos Total fibers range fi-om 0.0230-0.0620 f/cc
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, debris, dust, silica
Q&A and FAQ regarding WTC response, Oct 2001 — page 59
DEP Hard Copies (68 Boxes) / DEP Box 10 / Q and A FAQ
NYC-WTC_000148173Machine-extracted titleSummary Frequently asked questions and updates regarding disaster assistance, road reopenings, and victim support funds issued in October 2001.
Response - EPA has stated that if a substance contains 1% or more asbestos it is considered to be an asbestos containing material.
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, debris, dust
Q&A and FAQ regarding WTC response, Oct 2001 — page 32
DEP Hard Copies (68 Boxes) / DEP Box 10 / Q and A FAQ
NYC-WTC_000148146Machine-extracted titleSummary Frequently asked questions and updates regarding disaster assistance, road reopenings, and victim support funds issued in October 2001.
Sampling for asbestos fibers at the disaster site began on September 11.
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, debris, dust
Q&A and FAQ regarding WTC response, Oct 2001 — page 21
DEP Hard Copies (68 Boxes) / DEP Box 10 / Q and A FAQ
NYC-WTC_000148135Machine-extracted titleSummary Frequently asked questions and updates regarding disaster assistance, road reopenings, and victim support funds issued in October 2001.
Response - EPA has stated that if a substance contains 1% or more asbestos it is considered to be an asbestos containing material.
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, debris, dust
Q&A and FAQ regarding WTC response, Oct 2001 — page 26
DEP Hard Copies (68 Boxes) / DEP Box 10 / Q and A FAQ
NYC-WTC_000148140Machine-extracted titleSummary Frequently asked questions and updates regarding disaster assistance, road reopenings, and victim support funds issued in October 2001.
Sampling for asbestos fibers at the disaster site began on September 11.
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, debris, dust
Chain of Custody Form Instructions for WTC Building Sampling — page 70
DEP Hard Copies (68 Boxes) / DEP Box 10 / ATSDR/DHAC_ASTM
NYC-WTC_000149606Machine-extracted titleSummary Instructions and sections for collecting sample location data from a specific building interior.
**♦ Asbestos clearance criteria.
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, chrysotile, dust
DEP WTC General Correspondence Form — page 7
DEP Hard Copies (68 Boxes) / DEP Box 10 / GENERAL 2
NYC-WTC_000149804Machine-extracted titleSummary Generic form or header page from the Department of Environmental Protection regarding general World Trade Center notices and requests.
& Duane Result Map Follow Up Asbestos in Bulk Dust Fact Sheets / Scopes If a substance contains 1% or more asbestos, it is considered to be an "asbestos Frequently
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, benzene, chromium, debris, dioxin, dust, lead, particulate, pcbs, vocs
Legal hold notice for WTC documents, undated — page 36
DEP Hard Copies (68 Boxes) / DEP Box 10 / DEP COMMISSIONER DAILY REPORTS
NYC-WTC_000148777Machine-extracted titleSummary Notice instructing staff to preserve original World Trade Center documents for potential legal actions against the City.
Sampling for asbestos fibers at the disaster site began on September 11.
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, debris, dust
Q&A and FAQ regarding WTC response, Oct 2001 — page 23
DEP Hard Copies (68 Boxes) / DEP Box 10 / Q and A FAQ
NYC-WTC_000148137Machine-extracted titleSummary Frequently asked questions and updates regarding disaster assistance, road reopenings, and victim support funds issued in October 2001.
The microscopy methodology (TEM) prescribed by AHERA for airborne asbestos was used because it is more sensitive than PCM and is able to distinguish asbestos from non-asbestos fibers whereas PCM can
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, dust
Q&A and FAQ regarding WTC response, Oct 2001 — page 60
DEP Hard Copies (68 Boxes) / DEP Box 10 / Q and A FAQ
NYC-WTC_000148174Machine-extracted titleSummary Frequently asked questions and updates regarding disaster assistance, road reopenings, and victim support funds issued in October 2001.
(There are no AHER-A or other test methods for percent levels of asbestos in thin layers of settled dust) Issue - Obtaining a percent level of asbestos is not possible when only a fine layer of
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, debris, dust
Q&A and FAQ regarding WTC response, Oct 2001 — page 61
DEP Hard Copies (68 Boxes) / DEP Box 10 / Q and A FAQ
NYC-WTC_000148175Machine-extracted titleSummary Frequently asked questions and updates regarding disaster assistance, road reopenings, and victim support funds issued in October 2001.
The microscopy methodology (TEM) prescribed by AHERA for airborne asbestos was used because it is more sensitive than PCM and is able to distinguish asbestos from non-asbestos fibers whereas PCM can
Volume NYC-WTC0006Agency: Environmental Protection, Dept. ofContaminants: asbestos, dust
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